#include <stdio.h>

int main(int argc, const char *argv[])
{
	char arr1[] = "huaqing";
	char arr2[] = "abc";
	int dest = 0;
	int src = 0;
	printf("%s\n",arr1);
	while(arr2[src])
	{
		arr1[dest] = arr2[src];
		dest++;
		src++;
	}
	arr1[src] = 0;
	printf("%s\n", arr1);

	return 0;
}
